SIEMENS ENERGY 5SY43357 3-Pole Circuit Breaker The Siemens 5SY4335-7 is a high-performance miniature circuit breaker engineered for demanding industrial environments. This 3-pole breaker provides reliable overcurrent protection, safeguarding electrical circuits and equipment. With a rated current of 35A and a breaking capacity of 10kA, it effectively handles fault currents, minimizing downtime and ensuring operational safety. The breaker's robust construction, combined with its compliance with industry standards, makes it a dependable choice for mechanical engineering and industrial applications. It features a combined terminal top and bottom for flexible wiring options and is halogen-free for enhanced environmental compatibility.
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Part No: 5SY43357
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Part No: 5SY4335-7
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Part No: 5SY4335-7
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Part No: 5SY4335-7
Stock: 4
Inv Date: 05-29-2026
Price: Unit price: $118.45
SIEMENS ENERGY 5SY43357 3-Pole Circuit Breaker Specifications: Number of poles: 3 Tripping characteristic class: C circuit-breaker / Design: 5SY4 Mechanical service life (switching cycles) / typical: 10 000 Overvoltage category: III Insulation voltage / with single-phase operation / at AC / rated value: 440 V Insulation voltage / with multi-phase operation / at AC / rated value: 440 V Type of voltage: AC Current / at AC / rated value: 35 A Supply voltage / at AC / rated value: 400 V Operating voltage / at DC / rated value / maximum: 72 V Supply voltage frequency / rated value: 50/60 Hz Protection class IP: IP20 Switching capacity current / at DC / acc. to IEC 60947-2 / rated value: 15 kA Switching capacity current / acc. to EN 60898 / rated value: 10 kA Energy limiting class: 3 Power loss [W] / for rated value of the current / at AC: 2.6 W Tripping residual / rated value / derated current / at 40 Cel: 33.32 A Product function / neutral conductor switching: No Product feature / Touch protection: Yes Product component / combined terminal top: Yes Product component / combined terminal bottom: Yes Product feature / Properties for main switches in accordance with EN 60204-1: Yes Product feature / halogen-free: Yes Product feature / sealable: Yes Product feature / silicon-free: Yes Product extension / can be installed / supplementary devices: Yes Breaking capacity short-circuit current (Icn) / at AC / acc. to UL 1077 and CSA C22.2 No.235: 5 kA Connectable conductor cross-section / solid: 0.75 ... 35 mm² Connectable conductor cross-section / stranded: 0.75 ... 35 mm² Connectable conductor cross-section / finely stranded / with core end processing: 0.75 ... 25 mm² AWG number / as coded connectable conductor cross section: 18 ... 4 Tightening torque [lbf·in] / with screw-type terminals: 22 ... 31 lbf·in Tightening torque / with screw-type terminals: 2.5 ... 3.5 N·m Position / of power supply cord: Any Height: 90 mm Width: 54 mm Depth: 76 mm Installation depth: 70 mm Number of width units: 3 Mounting type: Quick assembly system Mounting position: any Net weight: 452 g Reference code / acc. to DIN EN 61346-2: F Reference code / acc. to DIN EN 81346-2: F Influence of the surrounding temperature: max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C Ambient temperature: -40 ... +70 °C Ambient temperature / during storage: -40 ... +75 °C Buy the 5SY4335-7 SIEMENS ENERGY 3-Pole Circuit Breaker | myMectronic Securely purchase the Siemens 5SY4335-7 miniature circuit breaker and ensure reliable protection for your industrial equipment.
Buy Now Frequently Asked Questions Where can I buy SIEMENS ENERGY 5SY43357? You can click on the BUY or RFQ button to purchase 5SY43357 from an authorized SIEMENS ENERGY distributor.
How do I troubleshoot issues or seek technical support for part 5SY43357? You can download the 5SY43357 datasheet or visit the SIEMENS ENERGY website for support.
Who is the manufacturer of 5SY43357? SIEMENS ENERGY
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